"We've been sending ideas," RedOne told MTV. "We couldn't get together in the studio, but we've been sending ideas back and forth.

"It's very focused on writing really good songs and, of course, with the vibe of different sounds, different kinds of productions."

He continued: "I don't want to say so much, because I don't know what's going to happen. To be honest with you, I don't know what's going to happen with the songs.

"My intent is the same thing: make history. If we don't feel like this is part of history again, we're not going to do it, but we're enjoying [the process]. We love doing music, so it will be interesting to see what's going to happen."